Radeon HD 7990 vs Radeon R7 265

Radeon HD 7990
Memory: 3072Mb GDDR5DESKTOP
Release date: 24 Apr 2013
Radeon HD 7990
Radeon R7 265
Memory: 2048Mb GDDR5DESKTOP
Release date: 13 Feb 2014
Radeon R7 265

Summary

Synthetic performance index

  • Radeon HD 7990
    268%
  • Radeon R7 265
    100%

Relative performance

Gaming performance index

  • Radeon HD 7990
    250%
  • Radeon R7 265
    100%

Relative performance

Reasons to consider Radeon HD 7990

150% higher gaming performance.
Supports Direct3D 12 Async Compute
Supports ReLive (allows game streaming/recording with minimum performance penalty)
Supports Mantle
Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications

Reasons to consider Radeon R7 265

225 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 7990 .
This is a much newer product, it might have better long term support.
Supports Direct3D 12 Async Compute
Supports ReLive (allows game streaming/recording with minimum performance penalty)
Supports Mantle
Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications

Radeon HD 7990

HWBench recommends Radeon HD 7990

The Radeon HD 7990 is the better performing card based on the game benchmark suite used (5 combinations of games and resolutions).


Specifications

Core Configuration

Radeon HD 7990Radeon R7 265
GPU NameMalta ()vsPitcairn (Pitcairn PRO)
Fab Process28 nmvs28 nm
Die Size365 mm²vs212 mm²
Transistors4,313 millionvs2,800 million
Shaders2048vs1024
Compute Units32vs16
Core clock950 MHzvs900 MHz
ROPs32vs32
TMUs128vs64

Memory Configuration

Radeon HD 7990Radeon R7 265
Memory TypeGDDR5vsGDDR5
Bus Width384 bit x2vs256 bit
Memory Speed1500 MHz
6000 MHz effective
vs1400 MHz
5600 MHz effective
Memory Size3072 Mbvs2048 Mb

Additional details

Radeon HD 7990Radeon R7 265
TDP375 wattsvs150 watts
Release Date24 Apr 2013vs13 Feb 2014

Raw Performance comparison

Pixel Rate

  • Radeon HD 7990
    60.80 GP/s
  • Radeon R7 265
    29.60 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 7990
    244.00 GT/s
  • Radeon R7 265
    59.20 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 7990
    576.00 GB/s
  • Radeon R7 265
    179.20 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 7990
    7782.00 GFLOPs
  • Radeon R7 265
    1894.40 GFLOPs

GFLOPs - higher is better

Synthetic benchmarks

3DMark 11

  • Radeon HD 7990
    18530
  • Radeon R7 265
    6900

Points (higher is better)

Game benchmarks

Battlefield 4

DX11, Ultra Quality,2x MSAA,16x AF, HBAO

  • Radeon HD 7990
    128
  • Radeon R7 265
    44

FPS (higher is better)

Bioshock Infinite

DX11, Ultra Quality,DDOD, FX AA

  • Radeon HD 7990
    122
  • Radeon R7 265
    46

FPS (higher is better)

Crysis 3

DX11,Very High Quality, FXAA

  • Radeon HD 7990
    79
  • Radeon R7 265
    27

FPS (higher is better)

Hitman Absolution

DX11, High Quality, 2x MSAA, 16x AF

  • Radeon HD 7990
    79
  • Radeon R7 265
    45

FPS (higher is better)

Metro Last Light

DX11, AAA standard, 16xAF, Motion Blur normal, Tesselation normal

  • Radeon HD 7990
    71
  • Radeon R7 265
    31

FPS (higher is better)